package main

import "fmt"

func mapTest() {
	check := make(map[int]bool)

	in := []int{1,2,3,4,5,6,6,6, 2,3,4}
	for _, v := range in {
		check[v] = true
	}
	for k, v := range check {
		fmt.Println(k, v)
	}
}

func main() {
	mapTest()
}